In September 2021, Library Futures Foundation released a policy document, “Controlled Digital Lending: Unlocking the Library’s Full Potential.” Library Futures Foundation developed this document in consultation with the Intellectual Property and Information Policy (iPIP) Clinic at Georgetown Law. The document covers all the benefits, innovations, and goals that are the basis of any controlled digital lending system and makes the crucial connection between CDL and issues of equity. It expands beyond the legal rationale laid out in the Controlled Digital Lending (CDL) White Paper by clarifying the core principles that are the foundations of a library’s mission to provide access to materials to serve the public good.